/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineExternalUIInterface.h
Delegate executed when a redirect URL request has been received by the internal browser window
typedef TBaseDelegate_OneParam< [FLoginFlowResult](API\Plugins\OnlineSubsystem\Interfaces\FLoginFlowResult), const [FString](API\Runtime\Core\Containers\FString) & > FOnLoginRedirectURL